From: Felipe Balbi <felipe.balbi@linux.intel.com>
Date: Thu, 28 Jul 2016 10:07:07 +0000 (+0300)
Subject: usb: dwc3: core: allow device to runtime_suspend several times
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b74c2d875baaa07186f617c5617f4c5e3a8a41ad;p=linux-beck.git

usb: dwc3: core: allow device to runtime_suspend several times

After going through runtime_suspend/runtime_resume
cycle once we would be left with an unbalanced
pm_runtime_get() call. Fix that by making sure that
we try to suspend right after resuming so things are
balanced and device can runtime_suspend again.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 946643157b78..35d092456bec 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1192,6 +1192,7 @@ static int dwc3_runtime_resume(struct device *dev)
 	}
 
 	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put(dev);
 
 	return 0;
 }